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Message-Id: <20220810105119.2684079-2-vschneid@redhat.com> Date: Wed, 10 Aug 2022 11:51:19 +0100 From: Valentin Schneider <vschneid@...hat.com> To: netdev@...r.kernel.org, linux-kernel@...r.kernel.org Cc: Tariq Toukan <ttoukan.linux@...il.com>, Tariq Toukan <tariqt@...dia.com>, "David S. Miller" <davem@...emloft.net>, Saeed Mahameed <saeedm@...dia.com>, Jakub Kicinski <kuba@...nel.org>, Ingo Molnar <mingo@...hat.com>, Peter Zijlstra <peterz@...radead.org>, Juri Lelli <juri.lelli@...hat.com>, Eric Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Gal Pressman <gal@...dia.com>, Vincent Guittot <vincent.guittot@...aro.org> Subject: [PATCH 2/2] net/mlx5e: Leverage sched_numa_hop_mask() Signed-off-by: Valentin Schneider <vschneid@...hat.com> --- drivers/net/ethernet/mellanox/mlx5/core/eq.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/ethernet/mellanox/mlx5/core/eq.c index 229728c80233..2eb4ffd96a95 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c @@ -809,9 +809,12 @@ static void comp_irqs_release(struct mlx5_core_dev *dev) static int comp_irqs_request(struct mlx5_core_dev *dev) { struct mlx5_eq_table *table = dev->priv.eq_table; + const struct cpumask *mask; int ncomp_eqs = table->num_comp_eqs; + int hops = 0; u16 *cpus; int ret; + int cpu; int i; ncomp_eqs = table->num_comp_eqs; @@ -830,8 +833,17 @@ static int comp_irqs_request(struct mlx5_core_dev *dev) ret = -ENOMEM; goto free_irqs; } - for (i = 0; i < ncomp_eqs; i++) - cpus[i] = cpumask_local_spread(i, dev->priv.numa_node); + + rcu_read_lock(); + for_each_numa_hop_mask(dev->priv.numa_node, hops, mask) { + for_each_cpu(cpu, mask) { + cpus[i] = cpu; + if (++i == ncomp_eqs) + goto spread_done; + } + } +spread_done: + rcu_read_unlock(); ret = mlx5_irqs_request_vectors(dev, cpus, ncomp_eqs, table->comp_irqs); kfree(cpus); if (ret < 0) -- 2.31.1
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